Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10697556 | Boltless guided slide valve | Jason F. Hill, Jeremy Lynn Meadows | 2020-06-30 |
| 8960223 | Plug valve with an internal check valve | Marius Robert Junier, Lee Ernie Treichel | 2015-02-24 |
| 5791657 | Seals containing composite non-extrusion springs | David Cain, Andrew C. Posluszny, Rudolf R. Schoen, Jerald L. Smith, John C. Vicic +3 more | 1998-08-11 |